---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29200 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 658 9944 4 5386 14988 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:af:58:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84460sec preferred_lft 84460sec inet6 fe80::f816:3eff:feaf:58d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:92:97:b0:4d:32 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-29200) 06/21/26 _x86_64_ (4 CPU) 18:21:21 LINUX RESTART (4 CPU) 18:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:08 13.25 0.02 11.25 1.98 0.24 669.73 36948.46 18:50:00 38.07 0.19 32.94 4.94 6.02 6764.11 39311.52 Average: 25.59 0.10 22.03 3.45 3.11 3700.32 38123.56 18:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:08 9760804 13254044 2705016 16.52 157912 3454464 3025444 17.37 687464 5540612 42900 18:50:00 7267656 12447408 3501176 21.38 192188 5016376 3596608 20.64 1310324 7266896 12 Average: 8514230 12850726 3103096 18.95 175050 4235420 3311026 19.01 998894 6403754 21456 18:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:08 lo 54.44 54.44 13.53 13.53 0.00 0.00 0.00 0.00 18:40:08 ens3 6.79 5.56 4.25 1.77 0.00 0.00 0.00 0.00 18:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:00 lo 2439.62 2439.62 2346.97 2346.97 0.00 0.00 0.00 0.00 18:50:00 ens3 70.35 55.02 482.57 13.65 0.00 0.00 0.00 0.00 18:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1240.53 1240.53 1173.90 1173.90 0.00 0.00 0.00 0.00 Average: ens3 38.40 30.16 242.11 7.68 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-29200) 06/21/26 _x86_64_ (4 CPU) 18:21:21 LINUX RESTART (4 CPU) 18:30:08 CPU %user %nice %system %iowait %steal %idle 18:40:08 all 14.67 0.00 0.77 0.11 0.10 84.35 18:40:08 0 14.89 0.00 0.71 0.06 0.10 84.24 18:40:08 1 14.06 0.00 0.79 0.05 0.10 85.01 18:40:08 2 15.17 0.00 0.89 0.28 0.10 83.56 18:40:08 3 14.58 0.00 0.69 0.05 0.10 84.59 18:50:00 all 51.44 0.00 2.62 0.11 0.08 45.75 18:50:00 0 52.42 0.00 2.56 0.08 0.09 44.86 18:50:00 1 51.18 0.00 2.91 0.11 0.08 45.71 18:50:00 2 51.84 0.00 2.64 0.15 0.09 45.29 18:50:00 3 50.31 0.00 2.38 0.09 0.08 47.13 Average: all 32.94 0.00 1.69 0.11 0.09 65.17 Average: 0 33.53 0.00 1.63 0.07 0.09 64.68 Average: 1 32.52 0.00 1.84 0.08 0.09 65.47 Average: 2 33.39 0.00 1.76 0.21 0.09 64.54 Average: 3 32.33 0.00 1.53 0.07 0.09 65.97